Question: When did John Galliano start working at Maison Martin Margiela?
Paraphrase: When did John Galliano begin at Maison Martin Margiela?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q313607 p:P108 ?s . ?s ps:P108 wd:Q1726925 . ?s pq:P580 ?value}